Sony KDL-32L4000 / KDL-37L4000 Service Manual ▷ View online
33
KDL-32L4000/37L4000
KDL-32L4000/37L4000
SECTION 3: DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
3-2. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS INFORMATION
All capacitors are in μF unless otherwise noted. pF : μμF 50WV or
less are not indicated except for electrolytics and tantalums.
less are not indicated except for electrolytics and tantalums.
All electrolytics are in 50V unless otherwise specifi ed.
All resistors are in ohms. k
Ω=1000Ω, MΩ=1000kΩ
Indication of resistance, which does not have one for rating
electrical power, is as follows:
electrical power, is as follows:
Pitch : 5mm
Rating
electrical
power
:
1
/
4
W
1
/
4
W in resistance,
1
/
10
W and
1
/
16
W in chip resistance.
: nonfl ammable resistor
: fusible resistor
: internal component
: panel designation and adjustment for repair
: earth ground
: earth-chassis
All variable and adjustable resistors have characteristic curve B,
unless otherwise noted.
unless otherwise noted.
Readings are taken with a color-bar signal input.
Readings are taken with a 10M
Ω digital multimeter.
Voltages are DC with respect to ground unless otherwise noted.
Voltage variations may be noted due to normal production
tolerances.
tolerances.
All voltages are in V.
S : Measurement impossibility.
: B+line.
: B-line. (Actual measured value may be different).
: signal path. (RF)
Circled numbers are waveform references.
The components identifi ed by shading and
!
symbol are critical for safety. Replace
only with part number specifi ed.
The symbol
indicates a fast operating fuse and is displayed on the component
side of the board. Replace only with fuse of the same rating as marked.
Les composants identifi es per un trame et une marque
!
sont critiques pour la
securite. Ne les remplacer que par une piece portant le numero specifi e.
Le symbole
indique une fusible a action rapide. Doit etre remplace par une
fusible de meme yaleur, comme maque.
NOTE: The components identifi ed by a red outline and a mark contain confi dential
information. Specifi c instructions must be adhered to whenever these components
are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
information. Specifi c instructions must be adhered to whenever these components
are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
H1
A
G
H2 (IR)
H3 (LED)
34
KDL-32L4000/37L4000
KDL-32L4000/37L4000
G
D
S
B1 E1
C2
B2 C1
E2
2
3
4
5
6
7
8
9
0
!¡
!™
!¢
!§
!¶
!•
–
1
G
D
S
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
!ª
B1 E1
E2
C1(B2)
C2
@º
B1
E2
C1
C2
@™
@£
(B2)
E1
(B2)
E1
E2
B1
C2
C1
@¡
B1
E1
C2
B2
C1
E2
G
S
S
D
G
D
B1
E1
C2
B2
C1
E2
B1
E2
C2
C1(B2)
E2
B1
C1
C2
E1(B2)
C2
B1
C1
E2
E1(B2)
C2
B1
C1
E2
B2
E1
C2
Ver.1.6
Transistor
(FET)
(FET)
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Discrete semiconductot
(Chip semiconductors that are not actually used are included.)
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Source
Source
Anode
Anode
(NC)
(NC)
Cathode
Anode
Cathode
Common
Cathode
Cathode
Common
Cathode
Cathode
Common
Common
Common
Common
Cathode
Anode
Base
Emitter
Collector
Base
Emitter
Collector
Drain
Gate
Gate
Drain
Device
Printed symbol
Terminal name
Circuit
Terminal name of semiconductors in silk screen
printed circuit ( )
Anode
Anode
Anode
Cathode
Anode
Anode
Cathode
!£
Transistor
(FET)
(FET)
Transistor
(FET)
(FET)
!?
Emitter
Collector
Base
Transistor
Source
Gate
Drain
Cathode
Anode
Anode
Cathode
Anode
Anode
*
REFERENCE INFORMATION
RESISTOR
: RN
: RN
METAL FILM
: RC
SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW
: FUSE NONFLAMMABLE FUSIBLE
: RW
NONFLAMMABLE WIREWOUND
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
: ADJUSTMENT
RESISTOR
COIL
: LF-8L MICRO INDUCTOR
: LF-8L MICRO INDUCTOR
CAPACITOR
: TA
: TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
35
KDL-32L4000/37L4000
KDL-32L4000/37L4000
3-3. BLOCK DIAGRAM
ANALOG FRONT
DVI_AU
DIGTAL VIDEO
PROCEESOR
SIF
FAT_IN-
FAT_IN+
SIF
speaker_R
speaker_L
IIS
U32
AD82571A
U30
SPIDF
AV1
C
L
R
S-Video
AV2
C
L
R
L
AUDIO_PROCESSOR
R
HDMI1
HDMI2
Component1
Component2
Y
Pb
Pr
U22
CD4052
PS221
Tuner
TDQU6-521A
TDQU6-521A
ADTL082TL
LINE_OUT
L
R
32'/37'
Panel
Panel
WXGA
LVDS
IIS
IIS
Y
Pb/Cb
Pr/Cr
Comp_L_IN
Comp_R_IN
DDR1
FLASH
Y
Pb/Cb
Pr/Cr
Comp_L_IN
Comp_R_IN
IIS
(MTK5380)
USB
AUDIO
VIDEO
DVI_L_IN
DVI_R_IN
AV1_L_IN
AV1_R_IN
CVBS2
AV2_L_IN
AV2_R_IN
CVBS1
CVBS_Out
HDMI
VGA_L_IN
VGA_R_IN
DIGTAL FRONT
DEMODULATOR
VS
HS
line_R_out
SPIDF
MUX_L_AD
MUX_R_AD
line_L_out
AL2O
ALRO
ALRO
POWER
VGA
L
VGA_AUDIO
R
R G B
L
R
Y
Pb
Pr
R
L
NT5DS16M16CS-5T
MX25L3205DM2I-12G
+4VSB/+6V/+15V/+12V
U28
U25
U20
U18
IR
LED
KEYPAD
36
KDL-32L4000/37L4000
KDL-32L4000/37L4000
3-4. FRAME DIAGRAMS
3-4.1. KDL-32L4000 ONLY
G
BOARD
A
BOARD
H3 LED
BOARD
H1
KEY PAD
SPEAKER L
SPEAKER R
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
GND
GND
GND
GND
GND
GND
GND
GND
GND
24V
24V
24V
24V
24V
24V
24V
24V
24V
1
2
AC L
AC N
AC
INPUT
14
13
12
11
10
13
12
11
10
6
7
8
9
7
8
9
1
2
3
4
5
2
3
4
5
4
3
2
1
3
2
1
1
GND
LED3_5V
LED2_5V
LED1_5V
H2 IR
BOARD
GND
IR
4VSB
+
-
+
-
2
3
1
Audio L+
NC
Audio L-
1
2
Audio R+
Audio R-
1
2
3
4
5
6
7
2
3
4
5
6
7
1
2
3
4
2
3
4
4
3
2
1
5
3
2
1
5
GND
GND
GND
GND
GND
GND
GND
GND
VDDB
VDDB
VDDB
VDDB
VDDB
VDDB
VDDB
VDDB
VDDB
1
2
3
4
5
2
3
4
5
PANEL_STATUS
BLACK LIGHT_ON
I_PWM
EX_PWM
GND
LCD PANEL
1
2
3
4
2
3
4
26
5
6
7
6
7
30
9
10
11
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
25
24
23
22
21
20
19
18
17
16
15
14
13
12
8
29
28
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
28
26
29
27
30
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PS-ON
PWR_ERR_DET
4VSB
GND
GND
GND
GND
GND
4VSB
4VSB
4VSB
ADCKPD0
ADCKPD1
ADCKPD1
GND
GND
GND
ADIN0
ADIN1
ADIN1
GND
GND
GND
PWR_6V
PWR_6V
PWR_6V
GND
GND
GND
PWR_PANEL
PWR_PANEL
GND
GND
GND
PWR_15V
PWR_15V
GND
PWR_30V
GND
GND
GND
GND
GND
4VSB
6V
4SB
6V
TCON_POWER
15V
TCON_POWER
15V
POWER_ON
30V
PWR_ERR_DET
OIRI
4VSB
GND
LED_STANDBY
LED_TV_ON
LED_DPMS_G
GND
VDIM/PDIM_SEL
VDIM/PDIM
PANEL_STATUS
VBLON
27
31
32
32
GND
LVDSVDD
LVDSVDD
LVDSVDD
LVDSVDD
LVDSVDD
LVDSVDD
LVDSVDD
LVDSVDD
LVDSVDD
GND
GND
GND
GND
GND
NC
SELLVDS
NC
GND
RX3+
RX3-
GND
GND
RXCLK+
RXCLK-
GND
RX2+
RX2-
GND
GND
RX1+
CN1
CN4
CN3
CN2
CN12
CN14
CN13
CN1
CN202
CN201
CN203
VCC
VCC
VCC
VCC
VCC
VCC
VCC
GND
GND
GND
GND
GND
GND
GND
GND
GND
LVDS Option
Reserved
GND
RIN3+
RIN3-
GND
RCLK+
RCLK-
GND
RIN2+
RIN2-
GND
RIN1+
Reserved
INVERTER
LVDS
RX1-
GND
GND
RX0+
RX0-
GND
GND
NC
RPF
ODSEL
GND
GND
Reserved
GND
RIN0-
RIN0+
RIN1-
GND
PG
GND
GND
GND
NC
☛
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